US4310312AExpiredUtility

Anterior tooth prosthesis

33
Individually held — no corporate assignee on recordPriority: Jun 10, 1980Filed: Jun 10, 1980Granted: Jan 12, 1982
Est. expiryJun 10, 2000(expired)· nominal 20-yr term from priority
Inventors:Ronald P. KellerWilliam Keller
A61C 13/26
33
PatentIndex Score
14
Cited by
4
References
3
Claims

Abstract

An anterior tooth prosthesis has a one-piece metal framework with laterally extending wings, a central saddle with a concave surface and a peg integral with the surface, and a plastic pontic having a peg-receiving mortise in which the peg is seated and secured.

Claims

exact text as granted — not AI-modified
Having thus described the invention, what is claimed and desired to be secured by Letters Patent is: 
     
       1. An anterior tooth prosthesis comprising a one-piece metal framework having laterally extending wings, a central saddle with a broad concave surface defining a mouth at an edge away from the gum adjacent the framework when the prosthesis is in place, and a peg integral with said surface and projecting toward said mouth, and a plastic pontic having a peg-receiving mortise in which said peg is seated and secured and a bite edge projecting beyond said mouth of said saddle. 
     
     
       2. The prosthesis of claim 1 wherein the pontic is acrylic. 
     
     
       3. The prosthesis of claims 1 or 2 wherein said pontic has a filled, formed part extending from the root of said peg toward the gum line.

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